10 Foods That Drive Weight Gain & Loss / How much did each food affect weight over a four-year period? Here's a chart that sums up the findings (with each bar indicating the total pounds gained or lost over four years, on average, as a result of consuming an additional daily serving of that particular food). One striking if somewhat predictable takeaway from the study is that focusing on overall dietary quality—such as eating less refined sugars and refined grains and more minimally processed foods—is probably more important to long-term health than monitoring total calorie or fat intake or other nutritional markers.
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